A couple had their wedding rings engraved with a waveform of their own voices saying "I do."
10
Couples' personalities converge over time to make partners more and more similar.
235
When dragonflies mate, their tails form a love heart.
22
Erotomania is a type of delusion in which the person believes another person is in love with him/her.
38
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
104
Kissing an infection-free partner is good for your teeth!
141
In Korea, there's a man named Lee Jin-gyu who fell in love and married his life-sized Japanese body pillow (called a "dakimakura").
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